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Quick Specs

  • Size:3-3/8" (85.7mm)
  • Type:Air-Core
  • Range:8K RPM/120 MPH
  • Lighting:Incandescent
  • Instructions: Download PDF


Save space on your dash and provide a clean look with AutoMeter’s Electronic Tach/Speedo Combo. Taking the highly precise circuits from the individual speedometer and tach and combining them into one unit gives you the accuracy and the response time you need and the convenience of a one piece solution. Compatible with nearly any factory speed sender and 1-12 cylinder applications, this unit is simple to calibrate and designed with the type of durability you expect in an AutoMeter gauge. AutoMeter’s GPS Speed Sender is also compatible for an easy, plug and play solution.
Feature Points
  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Gauge kit includes bulb and socket assembly, red and green bulb covers, mounting hardware, and installation instructions
  • Speedometer is compatible with most two wire sine wave and three wire hall effect vehicle speed sensors. Speedometer can be easily calibrated using the trip reset button on the from of the unit and a premeasured two mile distance. No dip switches!
  • Tachometer is compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.
  • Reprogram at any time to accommodate changes in gear ratio or wheel and tire combination with a simple push button, 2 mile drive calibration.
  • Domed Lens
Ships With
  • Bracket Included
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


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Do you make this combo in 3 1/8? I have your3 1/8 electric speedo in old tyme white and other gauges but would like a tach in the cluster but no extra room

Asked by: DonA1
We do not offer any tach/speedo combo gauges in a size smaller than 3-3/8 inch. Sorry, no 3-1/8 combo and no plans to offer one.
Answered by: Matt from AutoMeter
Date published: 2022-01-21

I would like the cost of this Tach/Speedo dials done in red or orange

Asked by: golfman55
Thank you for your question. This gauge is not available in red or orange. You could build a red or orange gauge in the AutoMeter Custom Shop:
Answered by: Natalia from AutoMeter
Date published: 2020-12-30

Do you make this gauge with the speedo in KPH  Thank you Trevor 

Asked by: Trevor392
Thank you for your inquiry. The 1681 is available only in MPH.
Answered by: Jim from AutoMeter
Date published: 2019-02-25
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